[gimp] core: minor memleak fixes

[Jehan <jehanp src gnome org>]

commit f8320ce5356334dc2d2a43b5524a0993865669a3
Author: Stanislav Grinkov <43956-stanislavgrinkov users noreply gitlab gnome org>
Date:   Sat May 8 23:20:46 2021 +0600

    core: minor memleak fixes
    
    Fix several memory leaks when uri obtained by g_file_get_uri ()
    was not g_free'd ().

 app/file/file-utils.c               |  2 ++
 app/gimp-update.c                   | 14 +++++++++++---
 plug-ins/file-tiff/file-tiff-load.c | 31 ++++++++++++++++++++++++-------
 3 files changed, 37 insertions(+), 10 deletions(-)
---
diff --git a/app/file/file-utils.c b/app/file/file-utils.c
index d9d862eed4..093ae98ae0 100644
--- a/app/file/file-utils.c
+++ b/app/file/file-utils.c
@@ -181,6 +181,8 @@ file_utils_load_thumbnail (GFile *file)
   thumbnail = gimp_thumbnail_new ();
   gimp_thumbnail_set_uri (thumbnail, uri);
 
+  g_free (uri);
+
   pixbuf = gimp_thumbnail_load_thumb (thumbnail,
                                       (GimpThumbSize) GIMP_THUMBNAIL_SIZE_NORMAL,
                                       NULL);
diff --git a/app/gimp-update.c b/app/gimp-update.c
index 7791bf61c3..66b2ad82b8 100644
--- a/app/gimp-update.c
+++ b/app/gimp-update.c
@@ -337,8 +337,12 @@ gimp_check_updates_callback (GObject      *source,
       parser = json_parser_new ();
       if (! json_parser_load_from_data (parser, file_contents, file_length, &error))
         {
+          gchar *uri = g_file_get_uri (G_FILE (source));
+
           g_printerr ("%s: parsing of %s failed: %s\n", G_STRFUNC,
-                      g_file_get_uri (G_FILE (source)), error->message);
+                      uri, error->message);
+
+          g_free (uri);
           g_free (file_contents);
           g_clear_object (&parser);
           g_clear_error (&error);
@@ -387,8 +391,12 @@ gimp_check_updates_callback (GObject      *source,
     }
   else
     {
-      g_printerr("%s: loading of %s failed: %s\n", G_STRFUNC,
-                 g_file_get_uri (G_FILE (source)), error->message);
+      gchar *uri = g_file_get_uri (G_FILE (source));
+
+      g_printerr ("%s: loading of %s failed: %s\n", G_STRFUNC,
+                  uri, error->message);
+
+      g_free (uri);
       g_clear_error (&error);
     }
 }
diff --git a/plug-ins/file-tiff/file-tiff-load.c b/plug-ins/file-tiff/file-tiff-load.c
index 7038ceaba7..f0abf7711c 100644
--- a/plug-ins/file-tiff/file-tiff-load.c
+++ b/plug-ins/file-tiff/file-tiff-load.c
@@ -977,22 +977,39 @@ load_image (GFile        *file,
 
           if (pages.target == GIMP_PAGE_SELECTOR_TARGET_IMAGES)
             {
-              gchar *fname = g_strdup_printf ("%s-%d", g_file_get_uri (file),
-                                              ilayer);
+              gchar *uri;
+              gchar *fname;
+              GFile *new_file;
 
-              gimp_image_set_file (*image, g_file_new_for_uri (fname));
+              uri      = g_file_get_uri (file);
+              fname    = g_strdup_printf ("%s-%d", uri, ilayer);
+              new_file = g_file_new_for_uri (fname);
+
+              gimp_image_set_file (*image, new_file);
+
+              g_free (uri);
               g_free (fname);
+              g_object_unref (new_file);
 
               images_list = g_list_prepend (images_list, *image);
             }
           else if (pages.o_pages != pages.n_pages)
             {
-              gchar *fname = g_strdup_printf (_("%s-%d-of-%d-pages"),
-                                              g_file_get_uri (file),
-                                              pages.n_pages, pages.o_pages);
+              gchar *uri;
+              gchar *fname;
+              GFile *new_file;
+
+              uri      = g_file_get_uri (file);
+              fname    = g_strdup_printf (_("%s-%d-of-%d-pages"),
+                                          uri,
+                                          pages.n_pages, pages.o_pages);
+              new_file = g_file_new_for_uri (fname);
+
+              gimp_image_set_file (*image, new_file);
 
-              gimp_image_set_file (*image, g_file_new_for_uri (fname));
+              g_free (uri);
               g_free (fname);
+              g_object_unref (new_file);
             }
           else
             {